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<hr><h1>font_generator.cpp</h1><a href="font__generator_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025 
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027 
00028 <font class="preprocessor">#include &lt;string&gt;</font>
00029 
00030 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00034 
00035 <font class="preprocessor">#include "<a class="code" href="font__generator_8h.html">3d/font_generator.h</a>"</font>
00036 
00037 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00038 
00039 <font class="preprocessor">#ifndef NL_DONT_USE_EXTERNAL_CODE</font>
00040 <font class="preprocessor"></font>
00041 <font class="preprocessor">#include &lt;freetype/freetype.h&gt;</font>
00042 
00043 <font class="comment">// for freetype 2.0</font>
00044 <font class="preprocessor">#ifdef FTERRORS_H</font>
00045 <font class="preprocessor"></font><font class="preprocessor">#undef FTERRORS_H</font>
00046 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00047 <font class="preprocessor"></font>
00048 <font class="comment">// for freetype 2.0.1</font>
00049 <font class="preprocessor">#ifdef __FTERRORS_H__</font>
00050 <font class="preprocessor"></font><font class="preprocessor">#undef __FTERRORS_H__</font>
00051 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00052 <font class="preprocessor"></font>
<a name="l00053"></a><a class="code" href="font__generator_8cpp.html#a0">00053</a> <font class="preprocessor">#define FT_ERRORDEF( e, v, s )  { e, s },</font>
<a name="l00054"></a><a class="code" href="font__generator_8cpp.html#a1">00054</a> <font class="preprocessor"></font><font class="preprocessor">#define FT_ERROR_START_LIST  {</font>
<a name="l00055"></a><a class="code" href="font__generator_8cpp.html#a2">00055</a> <font class="preprocessor"></font><font class="preprocessor">#define FT_ERROR_END_LIST    { 0, 0 } };</font>
00056 <font class="preprocessor"></font>
00057 <font class="keyword">const</font> <font class="keyword">struct</font>
00058 <font class="keyword"></font>{
<a name="l00059"></a><a class="code" href="font__generator_8cpp.html#a3">00059</a> <font class="keywordtype">int</font>          <a class="code" href="font__generator_8cpp.html#a3">err_code</a>;
<a name="l00060"></a><a class="code" href="font__generator_8cpp.html#a4">00060</a> <font class="keyword">const</font> <font class="keywordtype">char</font>*  <a class="code" href="font__generator_8cpp.html#a4">err_msg</a>;
00061 } <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[] = 
00062 
00063 <font class="preprocessor">#include &lt;freetype/fterrors.h&gt;</font>
00064 
00065 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00066 
00067 <font class="keyword">namespace </font>NL3D {
00068 
<a name="l00069"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#r0">00069</a> FT_Library      CFontGenerator::_Library;
<a name="l00070"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#r1">00070</a> <font class="keywordtype">bool</font>            CFontGenerator::_LibraryInit = <font class="keyword">false</font>;
00071 
00072 
<a name="l00073"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#c0">00073</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *CFontGenerator::getFT2Error(FT_Error fte)
00074 {
00075         NL_ALLOC_CONTEXT (FreeTyp);
00076 
00077         <font class="keyword">static</font> <font class="keywordtype">char</font> ukn[1024];
00078 
00079         <font class="keywordflow">for</font> (uint32 i = 0; <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_code != 0 || <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_msg != 0; i++)
00080         {
00081                 <font class="keywordflow">if</font> (<a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_code == fte)
00082                         <font class="keywordflow">return</font> <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_msg;
00083         }
00084         <a class="code" href="namespaceNLMISC.html#a211">smprintf</a> (ukn, 1024, <font class="stringliteral">"Unknown freetype2 error, errcode: 0x%x"</font>, fte);
00085         <font class="keywordflow">return</font> ukn;
00086 }
00087 
00088 
00089  
00090 <font class="comment">/*</font>
00091 <font class="comment"> * Constructor</font>
00092 <font class="comment"> */</font>
<a name="l00093"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a0">00093</a> CFontGenerator::CFontGenerator (<font class="keyword">const</font> std::string &amp;fontFileName, <font class="keyword">const</font> std::string &amp;fontExFileName)
00094 {
00095         NL_ALLOC_CONTEXT (FreeTyp);
00096 
00097         FT_Error error;
00098 
00099         <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CFontGenerator.html#r1">_LibraryInit</a>)
00100         {
00101                 error = FT_Init_FreeType (&amp;<a class="code" href="classNL3D_1_1CFontGenerator.html#r0">_Library</a>);
00102                 <font class="keywordflow">if</font> (error)
00103                 {
00104                         <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Init_FreeType() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00105                 }
00106                 <a class="code" href="classNL3D_1_1CFontGenerator.html#r1">_LibraryInit</a> = <font class="keyword">true</font>;
00107         }
00108 
00109         error = FT_New_Face (<a class="code" href="classNL3D_1_1CFontGenerator.html#r0">_Library</a>, fontFileName.c_str (), 0, &amp;<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>);
00110         <font class="keywordflow">if</font> (error)
00111         {
00112                 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_New_Face() failed with file '%s': %s"</font>, fontFileName.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00113         }
00114 
00115         string fontEx = fontExFileName;
00116         <font class="keywordflow">if</font> (fontEx == <font class="stringliteral">""</font>)
00117         {
00118                 <font class="comment">// try to see if the ex filename exists based on the fontExFileName</font>
00119                 fontEx = CPath::lookup(CFile::getFilenameWithoutExtension (fontFileName)+<font class="stringliteral">".afm"</font>, <font class="keyword">false</font>, <font class="keyword">false</font>);
00120         }
00121 
00122         <font class="keywordflow">if</font> (fontEx != <font class="stringliteral">""</font>)
00123         {
00124                 error = FT_Attach_File (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, fontEx.c_str ());
00125                 <font class="keywordflow">if</font> (error)
00126                 {
00127                         <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"FT_Attach_File() failed with file '%s': %s"</font>, fontEx.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00128                 }
00129         }
00130 
00131         error = FT_Select_Charmap (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, ft_encoding_unicode);
00132         <font class="keywordflow">if</font> (error)
00133         {
00134                 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Select_Charmap() failed with file '%s': %s"</font>, fontFileName.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00135         }
00136 }
00137 
<a name="l00138"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a1">00138</a> CFontGenerator::~CFontGenerator ()
00139 {
00140 }
00141 
<a name="l00142"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a3">00142</a> <font class="keywordtype">void</font> CFontGenerator::getSizes (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
00143 {
00144         NL_ALLOC_CONTEXT (FreeTyp);
00145 
00146         FT_Error error;
00147 
00148         error = FT_Set_Pixel_Sizes (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, size, size);
00149         <font class="keywordflow">if</font> (error)
00150         {
00151                 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Set_Pixel_Sizes() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00152         }
00153 
00154         <font class="comment">// retrieve glyph index from character code</font>
00155         FT_UInt glyph_index = FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
00156 
00157         <font class="comment">// load glyph image into the slot (erase previous one)</font>
00158         error = FT_Load_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, glyph_index, FT_LOAD_DEFAULT);
00159         <font class="keywordflow">if</font> (error)
00160         {
00161                 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Load_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00162         }
00163 
00164         <font class="comment">// convert 24.6 fixed point into integer</font>
00165         <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;metrics.width &gt;&gt; 6;
00166         <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;metrics.height &gt;&gt; 6;
00167 }
00168 
<a name="l00169"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a2">00169</a> uint8 *CFontGenerator::getBitmap (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, uint32 &amp;pitch, sint32 &amp;left, sint32 &amp;top, sint32 &amp;advx, uint32 &amp;glyphIndex)
00170 {
00171         NL_ALLOC_CONTEXT (FreeTyp);
00172 
00173         FT_Error error;
00174 
00175         error = FT_Set_Pixel_Sizes (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, size, size);
00176         <font class="keywordflow">if</font> (error)
00177         {
00178                 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Set_Pixel_Sizes() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00179         }
00180 
00181         <font class="comment">// retrieve glyph index from character code</font>
00182         FT_UInt glyph_index = FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
00183 
00184         <font class="comment">// load glyph image into the slot (erase previous one)</font>
00185         error = FT_Load_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, glyph_index, FT_LOAD_DEFAULT);
00186         <font class="keywordflow">if</font> (error)
00187         {
00188                 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Load_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00189         }
00190 
00191         <font class="keywordflow">if</font> (size == 0)
00192         {
00193                 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
00194                 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
00195                 pitch = 0;
00196                 left = 0;
00197                 top = 0;
00198                 advx = 0;
00199                 glyphIndex = glyph_index;
00200                 <font class="keywordflow">return</font> NULL;
00201         }
00202 
00203         <font class="comment">// convert to an anti-aliased bitmap</font>
00204         error = FT_Render_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph, ft_render_mode_normal);
00205         <font class="keywordflow">if</font> (error)
00206         {
00207                 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Render_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00208         }
00209 
00210         <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap.width;
00211         <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap.rows;
00212         pitch = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap.pitch;
00213 
00214         left = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap_left;
00215         top = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap_top;
00216 
00217         advx = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;advance.x &gt;&gt; 6;
00218 
00219         glyphIndex = glyph_index;
00220 
00221         <font class="keywordflow">return</font> (uint8 *) <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap.buffer;
00222 }
00223 
00224 
00225 
<a name="l00226"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a4">00226</a> <font class="keywordtype">void</font> CFontGenerator::getKerning (<a class="code" href="types__nl_8h.html#a15">ucchar</a> left, <a class="code" href="types__nl_8h.html#a15">ucchar</a> right, sint32 &amp;kernx)
00227 {
00228         NL_ALLOC_CONTEXT (FreeTyp);
00229 
00230         <font class="keywordflow">if</font> (!FT_HAS_KERNING(<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>))
00231         {
00232                 kernx = 0;
00233         }
00234         <font class="keywordflow">else</font>
00235         {
00236                 FT_Vector  kerning;
00237                 FT_Error error = FT_Get_Kerning (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, left, right, ft_kerning_default, &amp;kerning);
00238                 <font class="keywordflow">if</font> (error)
00239                 {
00240                         <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Get_Kerning() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
00241                 }
00242                 kernx = kerning.x;
00243         }
00244 }
00245 
00246 
00247 
<a name="l00248"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a5">00248</a> uint32   CFontGenerator::getCharIndex (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c)
00249 {
00250         NL_ALLOC_CONTEXT (FreeTyp);
00251 
00252         <font class="keywordflow">return</font> FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
00253 }
00254 
00255 } <font class="comment">// NL3D</font>
00256 
00257 <font class="preprocessor">#else // NL_DONT_USE_EXTERNAL_CODE</font>
00258 <font class="preprocessor"></font>
00259 <font class="preprocessor">#include &lt;windows.h&gt;</font>
00260 
00261 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00262 
00263 <font class="keyword">namespace </font>NL3D {
00264  
00265 HBITMAP Dib;
00266 uint32 *Buffer;
00267 HDC hdcDib;
00268 <font class="keywordtype">int</font> Width = 100;
00269 <font class="keywordtype">int</font> Height = 100;
00270 
00271 <font class="comment">/*</font>
00272 <font class="comment"> * Constructor</font>
00273 <font class="comment"> */</font>
00274 CFontGenerator::CFontGenerator (<font class="keyword">const</font> std::string &amp;fontFileName, <font class="keyword">const</font> std::string &amp;fontExFileName)
00275 {
00276 
00277 <font class="comment">//      HWND win=(HWND)winHack;</font>
00278 <font class="comment">//      WindowHandle = win;</font>
00279 <font class="comment">//      Format = format;</font>
00280 <font class="comment">//      RECT rect;</font>
00281 <font class="comment">//      BOOL ret = GetClientRect( WindowHandle, &amp;rect);</font>
00282 <font class="comment">//      assert (ret);</font>
00283 
00284 <font class="comment">//      uint f = AddFontResource ("");</font>
00285 <font class="comment">//      nlassert (f);</font>
00286 
00287         BITMAPINFO info;
00288         info.bmiHeader.biWidth = Width;
00289         info.bmiHeader.biHeight= -Height;
00290         info.bmiHeader.biSize = <font class="keyword">sizeof</font> (BITMAPINFOHEADER);
00291         info.bmiHeader.biPlanes = 1; 
00292         info.bmiHeader.biBitCount = 32;
00293         info.bmiHeader.biCompression = BI_RGB;
00294         info.bmiHeader.biSizeImage = 4*Width*Height;
00295         info.bmiHeader.biXPelsPerMeter = 1;
00296         info.bmiHeader.biYPelsPerMeter = 1;
00297         info.bmiHeader.biClrUsed = 0;
00298         info.bmiHeader.biClrImportant = 0;
00299 
00300         HDC hdc = GetDC (NULL);
00301         <a class="code" href="debug_8h.html#a6">nlassert</a> (hdc);
00302         Dib = CreateDIBSection (hdc, &amp;info, DIB_RGB_COLORS, (<font class="keywordtype">void</font>**)&amp;Buffer, NULL, NULL);
00303 
00304         hdcDib = CreateCompatibleDC (hdc);
00305         <a class="code" href="debug_8h.html#a6">nlassert</a> (hdcDib);
00306 
00307 
00308         ReleaseDC (NULL, hdc);
00309 
00310         SetTextAlign (hdcDib, TA_TOP | TA_LEFT | TA_NOUPDATECP);
00311         SetBkColor (hdcDib, RGB (0,0,0));
00312         SetTextColor (hdcDib, RGB (255, 255, 255));
00313         
00314         <font class="comment">/*FT_Error error;</font>
00315 <font class="comment"></font>
00316 <font class="comment">        if (!_LibraryInit)</font>
00317 <font class="comment">        {</font>
00318 <font class="comment">                error = FT_Init_FreeType (&amp;_Library);</font>
00319 <font class="comment">                if (error)</font>
00320 <font class="comment">                {</font>
00321 <font class="comment">                        nlerror ("FT_Init_FreeType() failed: %s", getFT2Error(error));</font>
00322 <font class="comment">                }</font>
00323 <font class="comment">                _LibraryInit = true;</font>
00324 <font class="comment">        }</font>
00325 <font class="comment"></font>
00326 <font class="comment">        error = FT_New_Face (_Library, fontFileName.c_str (), 0, &amp;_Face);</font>
00327 <font class="comment">        if (error)</font>
00328 <font class="comment">        {</font>
00329 <font class="comment">                nlerror ("FT_New_Face() failed with file '%s': %s", fontFileName.c_str(), getFT2Error(error));</font>
00330 <font class="comment">        }</font>
00331 <font class="comment"></font>
00332 <font class="comment">        if (fontExFileName != "")</font>
00333 <font class="comment">        {</font>
00334 <font class="comment">                error = FT_Attach_File (_Face, fontExFileName.c_str ());</font>
00335 <font class="comment">                if (error)</font>
00336 <font class="comment">                {</font>
00337 <font class="comment">                        nlwarning ("FT_Attach_File() failed with file '%s': %s", fontExFileName.c_str(), getFT2Error(error));</font>
00338 <font class="comment">                }</font>
00339 <font class="comment">        }*/</font>
00340 }
00341 
00342 CFontGenerator::~CFontGenerator ()
00343 {
00344         DeleteObject (Dib);
00345 
00346         DeleteDC (hdcDib);
00347 }
00348 
00349 <font class="keywordtype">void</font> CFontGenerator::getSizes (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
00350 {
00351 <font class="comment">/*      FT_Error error;</font>
00352 <font class="comment"></font>
00353 <font class="comment">        error = FT_Set_Pixel_Sizes (_Face, size, size);</font>
00354 <font class="comment">        if (error)</font>
00355 <font class="comment">        {</font>
00356 <font class="comment">                nlerror ("FT_Set_Pixel_Sizes() failed: %s", getFT2Error(error));</font>
00357 <font class="comment">        }</font>
00358 <font class="comment"></font>
00359 <font class="comment">        // retrieve glyph index from character code</font>
00360 <font class="comment">        FT_UInt glyph_index = FT_Get_Char_Index (_Face, c);</font>
00361 <font class="comment"></font>
00362 <font class="comment">        // load glyph image into the slot (erase previous one)</font>
00363 <font class="comment">        error = FT_Load_Glyph (_Face, glyph_index, FT_LOAD_DEFAULT);</font>
00364 <font class="comment">        if (error)</font>
00365 <font class="comment">        {</font>
00366 <font class="comment">                nlerror ("FT_Load_Glyph() failed: %s", getFT2Error(error));</font>
00367 <font class="comment">        }</font>
00368 <font class="comment"></font>
00369 <font class="comment">        // convert 24.6 fixed point into integer</font>
00370 <font class="comment">        width = _Face-&gt;glyph-&gt;metrics.width &gt;&gt; 6;</font>
00371 <font class="comment">        height = _Face-&gt;glyph-&gt;metrics.height &gt;&gt; 6;</font>
00372 <font class="comment">        */</font>
00373 }
00374 
00375 HFONT hFont = NULL;
00376 uint32 CurrentFontSize = 0;
00377 
00378 uint8 *CFontGenerator::getBitmap (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, uint32 &amp;pitch, sint32 &amp;left, sint32 &amp;top, sint32 &amp;advx, uint32 &amp;glyphIndex)
00379 {
00380 <font class="comment">/*      FT_Error error;</font>
00381 <font class="comment"></font>
00382 <font class="comment">        error = FT_Set_Pixel_Sizes (_Face, size, size);</font>
00383 <font class="comment">        if (error)</font>
00384 <font class="comment">        {</font>
00385 <font class="comment">                nlerror ("FT_Set_Pixel_Sizes() failed: %s", getFT2Error(error));</font>
00386 <font class="comment">        }</font>
00387 <font class="comment"></font>
00388 <font class="comment">        // retrieve glyph index from character code</font>
00389 <font class="comment">        FT_UInt glyph_index = FT_Get_Char_Index (_Face, c);</font>
00390 <font class="comment"></font>
00391 <font class="comment">        // load glyph image into the slot (erase previous one)</font>
00392 <font class="comment">        error = FT_Load_Glyph (_Face, glyph_index, FT_LOAD_DEFAULT);</font>
00393 <font class="comment">        if (error)</font>
00394 <font class="comment">        {</font>
00395 <font class="comment">                nlerror ("FT_Load_Glyph() failed: %s", getFT2Error(error));</font>
00396 <font class="comment">        }</font>
00397 <font class="comment"></font>
00398 <font class="comment">        if (size == 0)</font>
00399 <font class="comment">        {</font>
00400 <font class="comment">                width = 0;</font>
00401 <font class="comment">                height = 0;</font>
00402 <font class="comment">                pitch = 0;</font>
00403 <font class="comment">                left = 0;</font>
00404 <font class="comment">                top = 0;</font>
00405 <font class="comment">                advx = 0;</font>
00406 <font class="comment">                glyphIndex = glyph_index;</font>
00407 <font class="comment">                return NULL;</font>
00408 <font class="comment">        }</font>
00409 <font class="comment"></font>
00410 <font class="comment">        // convert to an anti-aliased bitmap</font>
00411 <font class="comment">        error = FT_Render_Glyph (_Face-&gt;glyph, ft_render_mode_normal);</font>
00412 <font class="comment">        if (error)</font>
00413 <font class="comment">        {</font>
00414 <font class="comment">                nlerror ("FT_Render_Glyph() failed: %s", getFT2Error(error));</font>
00415 <font class="comment">        }</font>
00416 <font class="comment"></font>
00417 <font class="comment">        width = _Face-&gt;glyph-&gt;bitmap.width;</font>
00418 <font class="comment">        height = _Face-&gt;glyph-&gt;bitmap.rows;</font>
00419 <font class="comment">        pitch = _Face-&gt;glyph-&gt;bitmap.pitch;</font>
00420 <font class="comment"></font>
00421 <font class="comment">        left = _Face-&gt;glyph-&gt;bitmap_left;</font>
00422 <font class="comment">        top = _Face-&gt;glyph-&gt;bitmap_top;</font>
00423 <font class="comment"></font>
00424 <font class="comment">        advx = _Face-&gt;glyph-&gt;advance.x &gt;&gt; 6;</font>
00425 <font class="comment"></font>
00426 <font class="comment">        glyphIndex = glyph_index;</font>
00427 <font class="comment"></font>
00428 <font class="comment">        return (uint8 *) _Face-&gt;glyph-&gt;bitmap.buffer;</font>
00429 <font class="comment">*/</font>
00430 
00431         <font class="keywordflow">if</font> (size == 0)
00432         {
00433                 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
00434                 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
00435                 pitch = 0;
00436                 left = 0;
00437                 top = 0;
00438                 advx = 0;
00439                 glyphIndex = 0;
00440                 <font class="keywordflow">return</font> NULL;
00441         }
00442 
00443         <font class="comment">// Create the font</font>
00444         <font class="keywordflow">if</font> (hFont ==  NULL || CurrentFontSize != size)
00445         {
00446                 <font class="keywordflow">if</font> (hFont !=  NULL)
00447                 {
00448                         DeleteObject (hFont);
00449                 }
00450 
00451                 hFont=CreateFont
00452                 (
00453                         size,                                   <font class="comment">// logical height of font</font>
00454                         0,                                      <font class="comment">// logical average character width</font>
00455                         0,                                      <font class="comment">// angle of escapement</font>
00456                         0,                                      <font class="comment">// base-line orientation angle</font>
00457                         FW_DONTCARE, <font class="comment">//FW_NORMAL,                       // font weight</font>
00458                         FALSE,                          <font class="comment">// italic attribute flag</font>
00459                         FALSE,                          <font class="comment">// underline attribute flag</font>
00460                         FALSE,                          <font class="comment">// strikeout attribute flag</font>
00461                         DEFAULT_CHARSET,        <font class="comment">// character set identifier</font>
00462                         OUT_DEVICE_PRECIS,  <font class="comment">// output precision</font>
00463                         CLIP_DEFAULT_PRECIS,    <font class="comment">// clipping precision</font>
00464                         DEFAULT_QUALITY,        <font class="comment">// output quality</font>
00465                         DEFAULT_PITCH|FF_DONTCARE,  <font class="comment">// pitch and family</font>
00466                         <font class="stringliteral">"Arial Unicode MS Normal"</font>         <font class="comment">// pointer to typeface name string</font>
00467                 );
00468                 <a class="code" href="debug_8h.html#a6">nlassert</a> (hFont);
00469 
00470                 CurrentFontSize = size;
00471         }
00472 
00473         SelectObject (hdcDib, hFont);
00474         SelectObject (hdcDib, Dib);
00475         
00476         <font class="keyword">const</font> <font class="keywordtype">char</font> cc = (char) c;
00477 
00478         RECT rect;
00479         rect.bottom = Height;
00480         rect.top = 0;
00481         rect.left = 0;
00482         rect.right = Width;
00483 
00484         <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = DrawText (hdcDib, &amp;cc, 1, &amp;rect, DT_LEFT | DT_TOP);
00485 
00486         POINT point;
00487         point.y = <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
00488 
00489         <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
00490         BOOL rey = GetCharWidth32 (hdcDib, (uint8) cc,  (uint8) cc, &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00491         <a class="code" href="debug_8h.html#a6">nlassert</a> (rey);
00492         point.x = <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00493 
00494 <font class="comment">//      ABC abc;</font>
00495 <font class="comment">//      BOOL rey = GetCharABCWidths (hdcDib, (uint8) cc, (uint8) cc, &amp;abc);</font>
00496 <font class="comment">//      nlassert (rey);</font>
00497 <font class="comment">//      point.x = abc.abcA;</font>
00498 
00499         SIZE <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>;
00500         GetTextExtentPoint32 (hdcDib, &amp;cc, 1, &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>);
00501         
00502         BOOL ret = LPtoDP (hdcDib, &amp;point, 1);
00503         <a class="code" href="debug_8h.html#a6">nlassert</a> (ret);
00504 
00505         <font class="keyword">static</font> uint8 buf[100*100];
00506 
00507         sint32 _top = 0, _left = point.x;
00508         sint32 right = 0, bottom = point.y;
00509         <font class="keywordtype">bool</font> emptyLine;
00510         <font class="keywordflow">for</font> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> = 0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &lt; point.y; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00511         {
00512                 emptyLine = <font class="keyword">true</font>;
00513                 <font class="keywordflow">for</font> (sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> = 0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &lt; point.x; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00514                 {
00515                         buf[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>] = (uint8) Buffer[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
00516                         <font class="keywordflow">if</font> (buf[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>])
00517                         {
00518                                 emptyLine = <font class="keyword">false</font>;
00519                                 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &lt; _left)
00520                                         _left = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00521                                 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &gt; right)
00522                                         right = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00523                         }
00524 
00525 <font class="comment">//                      printf (buf[y*100+x]?"*":".");</font>
00526                 }
00527                 <font class="keywordflow">if</font> (!emptyLine)
00528                 {
00529                         <font class="keywordflow">if</font> (_top == 0)
00530                                 _top = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00531 
00532                         bottom = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00533                 }
00534 
00535 <font class="comment">//              printf ("\n");</font>
00536         }
00537         <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = right - _left + 1;
00538         <font class="keywordflow">if</font> (right - _left + 1 &lt; 0) <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
00539         <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = bottom - _top + 1;
00540         <font class="keywordflow">if</font> (bottom - _top + 1 &lt; 0) <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
00541         pitch = 100;
00542         advx = point.x;
00543         
00544         WORD ag = 0;
00545         <font class="comment">/*uint t = GetGlyphIndices (hdcDib, &amp;cc, 1, &amp;ag, 0);</font>
00546 <font class="comment">        if (t == GDI_ERROR)</font>
00547 <font class="comment">        {</font>
00548 <font class="comment">                nlstop;</font>
00549 <font class="comment">        }</font>
00550 <font class="comment">*/</font>
00551         glyphIndex = ag;
00552 
00553         top = -_top;
00554         left = -_left;
00555 
00556 <font class="comment">/*      {</font>
00557 <font class="comment">                for (sint y = _top; y &lt; _top + height; y++)</font>
00558 <font class="comment">                {</font>
00559 <font class="comment">                        for (sint x = _left; x &lt; _left + width; x++)</font>
00560 <font class="comment">                        {</font>
00561 <font class="comment">                                printf (buf[y*100+x]?"*":".");</font>
00562 <font class="comment">                        }</font>
00563 <font class="comment">                        printf ("\n");</font>
00564 <font class="comment">                }</font>
00565 <font class="comment">                printf ("w: %d h: %d s: %d a: %d l: %d t: %d", width, height, size, advx, left, top);</font>
00566 <font class="comment">                getchar();</font>
00567 <font class="comment">        }</font>
00568 <font class="comment">*/</font>
00569         _top = _left = top = left = 0;
00570         top = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cy;
00571         <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cx;
00572         <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cy;
00573 
00574         <font class="keywordflow">return</font> buf + _top * 100 + _left;
00575 }
00576 
00577 
00578 
00579 
00580 <font class="keywordtype">void</font> CFontGenerator::getKerning (<a class="code" href="types__nl_8h.html#a15">ucchar</a> left, <a class="code" href="types__nl_8h.html#a15">ucchar</a> right, sint32 &amp;kernx)
00581 {
00582 <font class="comment">/*      if (!FT_HAS_KERNING(_Face))</font>
00583 <font class="comment">        {</font>
00584 <font class="comment">                kernx = 0;</font>
00585 <font class="comment">        }</font>
00586 <font class="comment">        else</font>
00587 <font class="comment">        {</font>
00588 <font class="comment">                FT_Vector  kerning;</font>
00589 <font class="comment">                FT_Error error = FT_Get_Kerning (_Face, left, right, ft_kerning_default, &amp;kerning);</font>
00590 <font class="comment">                if (error)</font>
00591 <font class="comment">                {</font>
00592 <font class="comment">                        nlerror ("FT_Get_Kerning() failed: %s", getFT2Error(error));</font>
00593 <font class="comment">                }</font>
00594 <font class="comment">                kernx = kerning.x;</font>
00595 <font class="comment">        }*/</font>
00596 }
00597 
00598 
00599 
00600 uint32   CFontGenerator::getCharIndex (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c)
00601 {
00602 <font class="comment">//      return FT_Get_Char_Index (_Face, c);</font>
00603         <font class="keywordflow">return</font> 0;
00604 }
00605 
00606 
00607 } <font class="comment">// NL3D</font>
00608 
00609 <font class="preprocessor">#endif // NL_DONT_USE_EXTERNAL_CODE</font>
00610 <font class="preprocessor"></font>
</pre></div>

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